{
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    "editable": true,
    "slideshow": {
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   "source": [
    "print('hello world.')\n",
    "pass"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "id": "4d996525-1ac1-47f7-a732-51ab3bcf3012",
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     "output_type": "stream",
     "text": [
      "[0 1 2 3 4 5 6 7 8 9]\n"
     ]
    }
   ],
   "source": [
    "import numpy as np\n",
    "arr1 = np.arange(0,10)\n",
    "print(arr1)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "id": "1946d9d0-2448-4ce7-a790-2b4009cb9099",
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    "editable": true,
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    {
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     "output_type": "stream",
     "text": [
      "Variable   Type       Data/Info\n",
      "-------------------------------\n",
      "arr1       ndarray    10: 10 elems, type `int32`, 40 bytes\n",
      "np         module     <module 'numpy' from 'C:\\<...>ges\\\\numpy\\\\__init__.py'>\n"
     ]
    }
   ],
   "source": [
    "%whos"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "id": "77020dbc-b63a-4d80-a0c2-1a5a60f01ff3",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Variable          Type             Data/Info\n",
      "--------------------------------------------\n",
      "NamespaceMagics   MetaHasTraits    <class 'IPython.core.magi<...>mespace.NamespaceMagics'>\n",
      "collections       module           <module 'collections' fro<...>ollections\\\\__init__.py'>\n",
      "get_ipython       function         <function get_ipython at 0x000001E639C24CC0>\n",
      "islice            type             <class 'itertools.islice'>\n",
      "json              module           <module 'json' from 'C:\\\\<...>\\Lib\\\\json\\\\__init__.py'>\n",
      "sys               module           <module 'sys' (built-in)>\n"
     ]
    }
   ],
   "source": [
    "%whos"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "6bd4197c-8f85-4ec0-9b5f-3a048ea78a48",
   "metadata": {},
   "outputs": [],
   "source": []
  }
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